AGED, BACKGROUND, CAUCASIAN, CLINIC, CORRECTION, DIOPTRE, ELDERLY, EXAM, EYE, EYEGLASSES, EYESIGHT, GLASSES, HUMAN, ISOLATED, LOOKING, MALE, MAN, MEDICAL, OLDER, OPHTHALMOLOGY, OPTICAL, OPTICIAN, OPTOMETRY, PEAKSTOCK, PORTRAIT, READING, SENIOR, SIGHT, SPECTACLES, TEST, TREATMENT, VISION, WHITE,